#include "drv_USART6.h"

void drv_usart6_init(void)//pg9是接受rx，pg14是发送tx
{
	GPIO_InitTypeDef  GPIO_InitStruct;
	USART_InitTypeDef  USART_InitStruct;
	NVIC_InitTypeDef  NVIC_InitStruct;

	RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_GPIOG,  ENABLE);
	RCC_APB2PeriphClockCmd( RCC_APB2Periph_USART6,  ENABLE);

	GPIO_InitStruct.GPIO_Mode=GPIO_Mode_AF;
	GPIO_InitStruct.GPIO_OType=GPIO_OType_PP;
	GPIO_InitStruct.GPIO_Pin=GPIO_Pin_9 | GPIO_Pin_14;
	GPIO_InitStruct.GPIO_PuPd=GPIO_PuPd_UP;
	GPIO_InitStruct.GPIO_Speed=GPIO_Speed_50MHz;
	GPIO_Init(  GPIOG, & GPIO_InitStruct);

	GPIO_PinAFConfig(  GPIOG,  GPIO_PinSource9,  GPIO_AF_USART6);
	GPIO_PinAFConfig(  GPIOG,  GPIO_PinSource14,  GPIO_AF_USART6);

	USART_InitStruct.USART_BaudRate=115200;
	USART_InitStruct.USART_HardwareFlowControl=USART_HardwareFlowControl_None;
	USART_InitStruct.USART_Mode=USART_Mode_Rx | USART_Mode_Tx;
	USART_InitStruct.USART_Parity=USART_Parity_No;
	USART_InitStruct.USART_StopBits=USART_StopBits_1;
	USART_InitStruct.USART_WordLength=USART_WordLength_8b;
	USART_Init(  USART6,&USART_InitStruct);

	USART_ITConfig( USART6, USART_IT_RXNE,ENABLE );
	USART_ITConfig( USART6, USART_IT_IDLE,ENABLE );

	NVIC_InitStruct.NVIC_IRQChannel=USART6_IRQn;
	NVIC_InitStruct.NVIC_IRQChannelCmd=ENABLE;
	NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority=0;
	NVIC_InitStruct.NVIC_IRQChannelSubPriority=1;
	NVIC_Init(& NVIC_InitStruct);

	USART_Cmd(  USART6,  ENABLE);
	
}
int fputc(int ch, FILE *f)
{
	USART_SendData(USART6, ch);//通过串口6发送数据
	while(USART_GetFlagStatus(USART6, USART_FLAG_TC)==RESET);//等待发送完成
	USART_ClearFlag(USART6, USART_FLAG_TC);//清空发送完成标志
	return ch;
}

